diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..4a9deaa
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "google-workspace.google-workspace-developer-tools"
+    ]
+}
\ No newline at end of file
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..07bc436
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,6 @@
+# Report a security issue
+
+To report a security issue, please use [https://g.co/vulnz](https://g.co/vulnz). We use
+[https://g.co/vulnz](https://g.co/vulnz) for our intake, and do coordination and disclosure here on
+GitHub (including using GitHub Security Advisory). The Google Security Team will
+respond within 5 working days of your report on [https://g.co/vulnz](https://g.co/vulnz).